I don’t think you can get a hold of me and
Answer:
the second one(20)
Step-by-step explanation:
If you pretend 20 is x, you solve the equation by pluging in x (20) into the equation and it gives you 70, 70 is what the big part is and 70+20 is 90, which is the size of a 90degree side.
4(20)-10
80-10
70
70+20=90
Solve a simpler problem
make a table
make a drawing
use a graph
use guess-and-check
solve an equation
The standard form would be 602,547
